Overview of the DeFi Sector
Decentralized Finance (DeFi) is a peer-to-peer (P2P) financial services ecosystem built on public blockchains (primarily Ethereum).Its core objective is to leverage smart contract technology to provide a wide range of financial services without relying on centralized intermediaries such as traditional banks and brokerages, thereby creating a more open, free, fair, and universally accessible digital financial market.
DeFi operates by allowing users to interact with smart contracts through decentralized applications (dApps). Smart contracts are automated code programs deployed on the blockchain that automatically execute corresponding actions once preset conditions are met, ensuring the fairness and transparency of transactions without the need to trust a third party.
The services provided by DeFi cover multiple areas of traditional finance, including earning interest, borrowing, trading assets, purchasing insurance, and trading derivatives—all typically without the need to fill out cumbersome application forms or open traditional accounts.
Key Features and Advantages of DeFi
- Global Reach and Accessibility: Expands access to financial services, particularly in regions underserved by the traditional financial system.
- Peer-to-Peer Transactions: Eliminates intermediaries, enabling direct interaction between users.
- Transparency: All transactions are recorded on a public blockchain and are available for public review.
- 24/7 Operation: Markets are open around the clock, unrestricted by traditional bank operating hours.
- Efficiency and Flexibility: Smart contracts automate execution, improving transaction speed and flexibility.
- Cost Reduction: Eliminates the operating costs associated with traditional financial intermediaries.
Potential Risks of DeFi
Although DeFi brings many innovations, it also carries significant risks:
- Technical Vulnerabilities and Smart Contract Risks: Smart contract code may contain vulnerabilities that could lead to asset losses.
- High Price Volatility: The cryptocurrency market is highly volatile, which can affect the value of collateral and the soundness of lending operations.
- Hacking Attacks: Protocols may become targets of malicious attacks.
- Regulatory Uncertainty: Regulatory frameworks for DeFi are still evolving worldwide, which may pose compliance risks.
Major DeFi Sub-Sectors
The DeFi ecosystem encompasses multiple segments, primarily including:
- Decentralized Exchanges (DEX): Allow users to trade crypto assets directly on-chain.
- Lending Protocols: Provide permissionless cryptocurrency lending services.
- Stablecoins: Cryptocurrencies designed to maintain price stability, typically pegged to fiat currencies such as the U.S. dollar.
- Derivatives Protocols: Support trading of derivatives such as futures and options on crypto assets.
- Liquid Staking: Allows users to stake assets to earn yields while maintaining asset liquidity.
A Roundup of the Top Five Mainstream Tokens in the DeFi Sector
The following are representative mainstream tokens in the DeFi space, each playing a key role in its respective field:
1. Uniswap (UNI)
Uniswap is a leading project in the decentralized exchange (DEX) space, known for its innovative Automated Market Maker (AMM) mechanism. It allows users to exchange tokens directly on-chain without entrusting their funds to a centralized exchange. Users can earn revenue from transaction fees by providing liquidity to liquidity pools.
The UNI token is the governance token of the Uniswap protocol, and holders can participate in voting on important protocol decisions.Uniswap V4 was launched on multiple blockchains on January 31, 2025, introducing the “Hooks” feature, which allows developers to insert custom logic for pools, trades, fees, and liquidity provider (LP) positions, further enhancing the protocol’s flexibility and scalability.
It can be traded on exchanges that support this token.
2. Aave (AAVE)
Aave is an open-source, non-custodial lending protocol that plays a significant role in the DeFi lending space. Users can deposit crypto assets into “deposit pools” formed by smart contracts to earn interest, while other users can provide collateral to borrow funds.Aave supports a wide range of crypto assets and offers both floating and fixed interest rate options to meet the needs of different users.
The AAVE token is used for protocol governance; holders can vote on protocol parameters and future development directions, and it can be used to pay protocol fees. Through continuous innovation and strategic partnerships, Aave continues to solidify its leading position in the DeFi lending market.
It can be traded on exchanges that support this token.
3. MakerDAO (MKR) / Dai (DAI)
MakerDAO is a decentralized lending platform whose core product is the decentralized stablecoin Dai (DAI). Users can mint DAI by over-collateralizing crypto assets; DAI is designed to maintain a 1:1 peg to the U.S. dollar, thereby providing a price-stable digital asset.
The MKR token is the governance token of the Maker protocol. Holders can vote on key protocol parameters—such as stability fees and collateral types—as well as future development, making it a vital component in maintaining Dai’s stability and ensuring the protocol’s healthy operation.MakerDAO consistently ranks among the leaders in the DeFi lending market and actively explores innovative directions, such as the tokenization of real-world assets (RWAs), to expand Dai’s use cases and the range of acceptable collateral.
It can be traded on exchanges that support this token.
4. Lido DAO (LDO)
Lido DAO is a pioneering protocol for liquid staking solutions.It allows users to stake Ethereum (ETH) and other Proof-of-Stake (PoS) assets while earning liquid staking derivatives (such as stETH). This means that while earning staking rewards, users can still use these derivatives for other DeFi activities, such as lending and providing liquidity, thereby improving capital efficiency.
The LDO token is used for governance within the Lido protocol; holders can participate in the protocol’s decision-making process, including fee structures, supported assets, and upgrade proposals.As of September 2023, Lido is one of the largest staking protocols on the market, leading in both Total Value Locked (TVL) and market share. However, please note that these figures are subject to change over time and are for reference only; the latest situation may have changed.
It can be traded on exchanges that support this token.
5. Compound (COMP)
Compound is one of the earliest and most significant DeFi lending platforms. Its open lending market uses algorithms to automatically adjust lending rates. Users can deposit crypto assets into Compound as collateral and earn interest; simultaneously, other users can pledge their own assets to borrow the assets they need. The platform uses algorithms to automatically match lenders and borrowers, ensuring market efficiency and transparency.
The COMP token is the governance token of the Compound protocol, allowing holders to vote on protocol upgrades and parameter adjustments. Additionally, the COMP token was previously used as an incentive for liquidity mining, sparking the “DeFi Summer” craze in 2020 and significantly driving the growth of the DeFi ecosystem.Compound continues to operate on the Ethereum and has plans to expand to other blockchains; its automatic interest rate adjustment mechanism and robust market strategies enhance its competitiveness.
It can be traded on exchanges that support this token.
